21438017

Prime Factor Structure

Factorization String 21438017

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,438,018

Proper Divisor Sum 1

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #21438013 ← → #21438029

1 21,438,017

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

21,438,017 64,314,052 32,157,026 16,078,513 48,235,540 24,117,770 12,058,885 36,176,656 18,088,328 9,044,164 4,522,082 2,261,041 6,783,124 3,391,562 1,695,781 5,087,344 2,543,672 1,271,836 635,918 317,959 953,878 476,939 1,430,818 715,409 2,146,228 1,073,114 536,557 1,609,672 804,836 402,418 201,209 603,628 301,814 150,907 452,722 226,361 679,084 339,542 169,771 509,314 254,657 763,972 381,986 190,993 572,980 286,490 143,245 429,736 214,868 107,434 53,717 161,152 80,576 40,288 20,144 10,072 5,036 2,518 1,259 3,778

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.